Chart correction 3313 — chart 1759
Chart 1759 [ previous update 3195/24 ] CGCS 2000 DATUM Insert symbol, Virtual aid to navigation, isolated danger topmark, V- AIS 29° 48´·2N., 122° 39´·2E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.